Crons can now be called from any directory and will be executed inside
their working directory. Allows for more flexibility, e.g. taking out
the statistics cron and running it directly.
* Added monitoring class to deal with monitoring events
* Added event calls to all important cronjobs
* Added cron_end include file for monitoring cleanups on successful runs
* Added Monitoring to autoloader
* Modified account page to check for running auto_payout in monitoring
* Added monitoring to Navigation bar
* Added monitoring controller page
Fixes#415
Since this needs to be done for all payouts, moved into it's own cron.
* Adjusted run-crons.sh to trigger archive cleanup
* Adjusted payouts to remove purgeArchive calls
* Adjusted pps payout, removed old configuration variable
Further addresses #143